[Unit]
Description=MySQL Server
Documentation=man:mysqld(8)
Documentation=http://dev.mysql.com/doc/refman/en/using-systemd.html  
After=network.target
After=syslog.target
[Install]
WantedBy=multi-user.target
[Service]
User=mysql
Group=mysql
ExecStart={{mysql_basedir}}/bin/mysqld --defaults-file=/etc/my.cnf
LimitNOFILE=65535
LimitNPROC=65535